it's not mirrorless
Gimp is currently being upgraded to handle 16bit and Hdr, we should see these features in version 3.0. http://www.gimp.org/docs/userfaq.html#c16bit
I'm not sure if I can agree with you there, I think it could be called just about anything, if it can do the job required well, while still remaining open source.
I predict a kickstarter project that develops The Gimp and Darktable being a huge success!
Commercial normally refers to the use of images to promote the sale of a product, creation a book of photography or an exhibition of photographs does not fall into this category, so there are no...